rails dockerfile
FROM ruby:2.6.1
RUN curl -sL https://deb.nodesource.com/setup_8.x | bash - && \
curl -sS https://dl.yarnpkg.com/debian/pubkey.gpg | apt-key add - && \
echo "deb https://dl.yarnpkg.com/debian/ stable main" | tee /etc/apt/sources.list.d/yarn.list && \
apt-get update && \
apt-get install -qq -y build-essential nodejs yarn \
libpq-dev postgresql-client
RUN mkdir /myapp
WORKDIR /myapp
COPY . /myapp
RUN bundle update
RUN yarn install --check-files
# Add a script to be executed every time the container starts.
COPY entrypoint.sh /usr/bin/
RUN chmod +x /usr/bin/entrypoint.sh
ENTRYPOINT ["entrypoint.sh"]
EXPOSE 3000
# Start the main process.
CMD ["rails", "server", "-b", "0.0.0.0"]
this dockerfile worked well on rails 6.0.0
